Pick up the correct specification of one-room quarters generally adopted from the following:
(A) Six quarters in a row
(B) The size of room is either 3.5 m × 3 m or 4.2 m × 2.5 m
(C) The front verandah is kept 2 m wide
(D) All the above
(A) Six quarters in a row
(B) The size of room is either 3.5 m × 3 m or 4.2 m × 2.5 m
(C) The front verandah is kept 2 m wide
(D) All the above